Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tampa Bay, FL

July 17, 2021Sarasota County, Florida

NWS Tampa Bay, FL issued this special weather statement at Jul 17, 2021, 5:31 PM EDT for Sarasota County, Florida. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 17, 2021, 5:31 PM EDT (21:31 UTC)
Expired: Jul 17, 2021, 6:00 PM EDT
In force: 29 min
Issued by: NWS Tampa Bay, FL

County Sarasota County, FL

The radar

The Tampa radar (KTBW), 71 km from the middle of the area, began a volume at 21:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 9.5 hours before the alert went out and 71 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 356 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 1071 m above ground
0-6 km bulk shear: 1 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: -13 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tampa Bay, FL wrote its last area forecast discussion before this special weather statement went out at Jul 17, 2:29 PM EDT, 3 hours 2 minutes earlier.

Area forecast discussion, Jul 17, 2:29 PM EDT, 3 hours 2 minutes before

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In the hours before

Special weather statement, Jul 17, 4:07 PM EDT, 1 hour 24 minutes before

Special Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
407 PM EDT Sat Jul 17 2021

FLZ165-265-172030-
Inland Lee-Coastal Lee-
407 PM EDT Sat Jul 17 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN LEE COUNTY...

At 407 PM EDT, a strong thunderstorm was located near Southwest
Florida International Airport, or near Fort Myers, moving west at 10
mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Fort Myers, Lehigh Acres, East Dunbar, Southwest Florida Airport,
Buckingham, Villas, San Carlos Park, Pine Manor, Three Oaks, Page
Park, North Fort Myers, Page Field Airport, Suncoast Estates, Fort
Myers Villas, Tice, Gateway and Fort Myers Shores.

LAT...LON 2667 8163 2647 8161 2648 8187 2674 8188
TIME...MOT...LOC 2007Z 101DEG 7KT 2658 8175

TBW

Special weather statement, Jul 17, 5:31 PM EDT, 0 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 17, 3:40 PM EDT	Special Marine Warning	TBW		65 min
Jul 17, 4:07 PM EDT	Special Weather Statement	TBW	Lee	23 min
Jul 17, 4:38 PM EDT	Areal Flood Advisory	TBW	Lee	82 min
Jul 17, 4:44 PM EDT	Special Marine Warning	TBW		61 min
Jul 17, 5:27 PM EDT	Areal Flood Advisory	TBW	Charlotte, Sarasota	93 min
Jul 17, 5:40 PM EDT	Special Marine Warning	TBW		35 min
Jul 17, 6:27 PM EDT	Special Weather Statement	TBW	Pinellas	48 min
Jul 17, 7:22 PM EDT	Special Marine Warning	TBW		23 min
Jul 17, 7:47 PM EDT	Special Weather Statement	TBW	Pasco	28 min

Nearby

Special Weather Statements in Florida, 2021 Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.